Table 1.

Characteristics of the patients with disc degeneration.

Patient no.	Sex	Age	Diagnosis	Sample level	Disc of Pfirrmann grade
1	Female	17	Intervertebral disc herniation	L4-L5	V
2	Male	26	Intervertebral disc herniation	L4-L5	V
3	Female	65	Intervertebral disc herniation	L4-L5	III
4	Male	56	Intervertebral disc herniation	L4-L5	IV
5	Male	21	Intervertebral disc herniation	L5-S1	V
6	Female	32	Intervertebral disc herniation	L4-L5	IV
7	Female	64	Intervertebral disc herniation	L4-L5	IV
8	Female	62	Intervertebral disc herniation	L3-L4	IV
9	Male	74	Intervertebral disc herniation	L4-L5	V
10	Male	26	Intervertebral disc herniation	L3-L4	IV
11	Female	56	Intervertebral disc herniation	L4-L5	V